INCOME TAXES - NARRATIVE (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Operating Loss Carryforwards [Line Items] | ||
| Deferred tax assets more likely than not to be realized through future taxable earnings | $ 701.2 | $ 711.7 |
| Federal long-term tax exempt rate | 3.68% | |
| Ownership change threshold restricting NOL usage | 50.00% | |
| Non-operating Loss Carryforwards | $ 898.7 | |
| Net state operating loss carryforwards | 37.1 | 38.0 |
| Capital loss carryforward | 61.3 | $ 53.7 |
| No Expiration Date [Member] | Non-Life [Member] | ||
| Operating Loss Carryforwards [Line Items] | ||
| Net operating loss carryforwards | 805.5 | |
| No Expiration Date [Member] | Life [Member] | ||
| Operating Loss Carryforwards [Line Items] | ||
| Net operating loss carryforwards | $ 93.2 |